Lawn tractor



FIG. 1 is a top right front perspective view of a lawn tractor showingour new design;

FIG. 2 is a top plan view of the lawn tractor;

FIG. 3 is a right side elevation view of the lawn tractor;

FIG. 4 is a left side elevation view of the lawn tractor;

FIG. 5 is a front elevation view of the lawn tractor; and,

FIG. 6 is a rear elevation view of the lawn tractor.

The ornamental design of a lawn tractor, as shown and described.